165360158671 has 2 divisors, whose sum is σ = 165360158672. Its totient is φ = 165360158670.

The previous prime is 165360158633. The next prime is 165360158749. The reversal of 165360158671 is 176851063561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165360158671 - 2¹¹ = 165360156623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165360158371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82680079335 + 82680079336.

It is an arithmetic number, because the mean of its divisors is an integer number (82680079336).

Almost surely, 2^165360158671 is an apocalyptic number.

165360158671 is a deficient number, since it is larger than the sum of its proper divisors (1).

165360158671 is an equidigital number, since it uses as much as digits as its factorization.

165360158671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 165360158671 in words is "one hundred sixty-five billion, three hundred sixty million, one hundred fifty-eight thousand, six hundred seventy-one".